<!--
 * @Author       : xh
 * @Date         : 2022-04-27 09:50:05
 * @LastEditors  : xh
 * @FileName     :   
-->
<template>
  <el-breadcrumb class="app-breadcrumb" separator="/">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item, index) in levelList" :key="item.path">
        <span v-if="item.redirect === 'noRedirect' || index == levelList.length - 1" class="no-redirect">{{ item.meta.title }}</span>
        <a v-else @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script>
import pathToRegexp from 'path-to-regexp'

export default {
  data() {
    return {
      levelList: null
    }
  },
  watch: {
    $route() {
      this.getBreadcrumb()
    }
  },
  created() {
    this.getBreadcrumb()
  },
  methods: {
    getBreadcrumb() {
      let matched = this.$route.matched.filter((item) => item.meta && item.meta.title)

      this.levelList = matched.filter((item) => item.meta && item.meta.title && item.meta.breadcrumb !== false)
    },
    isWorkbench(route) {
      const name = route && route.name
      if (!name) {
        return false
      }
      return name.trim().toLocaleLowerCase() === 'Workbench'.toLocaleLowerCase()
    },
    pathCompile(path) {
      const { params } = this.$route
      var toPath = pathToRegexp.compile(path)
      return toPath(params)
    },
    handleLink(item) {
      const { redirect, path } = item
      if (redirect) {
        this.$router.push(redirect)
        return
      }
      this.$router.push(this.pathCompile(path))
    }
  }
}
</script>
<style lang="scss" scoped>
@import '~@/styles/variables.scss';
.app-breadcrumb.el-breadcrumb {
  width: 100%;
  height: $breadheight;
  background: #fff;
  display: inline-block;
  font-size: 18px;
  line-height: $breadheight;
  // font-weight: bold;
  font-family: PingFang SC;
  margin-left: 0;
  padding-left: 30px;
  color: #cccccc;
  .no-redirect {
    color: #304f9c;
    cursor: text;
  }
}
</style>
